Gaya APA

Sharpe, P, J. (). Barron's the leader in test preparation: Practice exercises for the TOEFL with audio 7 Th edition . Tangerang: Binarupa Aksara Publishing.

Gaya MLA

Sharpe, Pamela, J.. "Barron's the leader in test preparation: Practice exercises for the TOEFL with audio 7 Th edition". Tangerang: Binarupa Aksara Publishing, . 400_Language.